Biomaterial Database

Bone mineral content and estimated total body calcium in normal children and adolescents. 1975

C Christiansen, and P Rödbro, and C T Nielsen

Bone mineral content in the distal part of the forearm was measured in 301 normal children and adolescents aged from 7-20 years to estimate total body calcium in these age groups. From year 7 to 9 and from year 15 to 20 the mean values in boys were significantly higher than those in girls. In the lower age groups there was a slow increase in estimated total body calcium with age, followed by a sharp increase at the age of puberty.

UI	MeSH Term	Description	Entries
D008297	Male		Males
D008903	Minerals	Native, inorganic or fossilized organic substances having a definite chemical composition and formed by inorganic reactions. They may occur as individual crystals or may be disseminated in some other mineral or rock. (Grant & Hackh's Chemical Dictionary, 5th ed; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)	Mineral
D001827	Body Height	The distance from the sole to the crown of the head with body standing on a flat surface and fully extended.	Body Heights,Height, Body,Heights, Body
D001830	Body Surface Area	The two dimensional measure of the outer layer of the body.	Area, Body Surface,Areas, Body Surface,Body Surface Areas,Surface Area, Body,Surface Areas, Body
D001835	Body Weight	The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.	Body Weights,Weight, Body,Weights, Body
D001842	Bone and Bones	A specialized CONNECTIVE TISSUE that is the main constituent of the SKELETON. The principal cellular component of bone is comprised of OSTEOBLASTS; OSTEOCYTES; and OSTEOCLASTS, while FIBRILLAR COLLAGENS and hydroxyapatite crystals form the BONE MATRIX.	Bone Tissue,Bone and Bone,Bone,Bones,Bones and Bone,Bones and Bone Tissue,Bony Apophyses,Bony Apophysis,Condyle,Apophyses, Bony,Apophysis, Bony,Bone Tissues,Condyles,Tissue, Bone,Tissues, Bone
D002118	Calcium	A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes.	Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D002648	Child	A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL.	Children
D005260	Female		Females
D005542	Forearm	Part of the upper extremity in humans and primates extending from the ELBOW to the WRIST.	Antebrachium,Antebrachiums,Forearms